The in-car GPS unit is a small, compact device which you need to install on your windscreen or place it safely on your dashboard. It is immensely user friendly and can be installed with almost no effort. After that is done, all you are to do is specify your destination. The device would give you precise and accurate directions by voice in real time. The possibility of getting lost is reduced and becomes almost nil.

No person is expected to know and remember all the roads in a particular city or town. Also, this is useful for times when you are going to a certain area for the first time and you are poor at road directions. The GPS device is essential and important to people traveling to unfamiliar locations. A good lot of the car-rental bureaus are installing this device as a measure to aid their customers.

It would also help save time and it's obviously useful to them. In case your much coveted GPS fitted motor vehicle is stolen, please do not get paranoid! The device would help track the exact location of your car in no time. You would be glad to know that there are several insurance companies which offer you a discount if they find the vehicle equipped with a GPS unit.

Certain units have monitoring features attached to it which can help you communicate with roadside assistance booths. If an accident occurs, the in-car GPS unit is automatically programmed to call up the nearest 911 operator. The signals are transmitted by means of satellites thus there are no chances of disruption. It will be working round the clock and three sixty five days in a year. Trust me, its worth investing in this compact unit! You will even admit it if you happen to be in an emergency while traveling, god forbade though. That day you would surely thank the person who designed it.

If you plan to buy a car, it's advisable to go for the one with an in-built GPS unit. It will save you the cost of purchasing it separately. These in-built devices are more expensive than the ones which are portable. You are to use it, so you ought to decide which suits you.